nir: Remove deref chain support from lower_tex

Acked-by: Rob Clark <[email protected]>
Acked-by: Bas Nieuwenhuizen <[email protected]>
Acked-by: Dave Airlie <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>

1 files changed, 2 insertions, 6 deletions

diff --git a/src/compiler/nir/nir_lower_tex.c b/src/compiler/nir/nir_lower_tex.c
index 449b92fbce3..da7f82c10ca 100644
--- a/src/compiler/nir/nir_lower_tex.c
+++ b/src/compiler/nir/nir_lower_tex.c
@@ -124,9 +124,7 @@ get_texture_size(nir_builder *b, nir_tex_instr *tex)
    txs->is_shadow = tex->is_shadow;
    txs->is_new_style_shadow = tex->is_new_style_shadow;
    txs->texture_index = tex->texture_index;
-   txs->texture = nir_deref_var_clone(tex->texture, txs);
    txs->sampler_index = tex->sampler_index;
-   txs->sampler = nir_deref_var_clone(tex->sampler, txs);
    txs->dest_type = nir_type_int;
 
    unsigned idx = 0;
@@ -251,9 +249,7 @@ sample_plane(nir_builder *b, nir_tex_instr *tex, int plane)
    plane_tex->coord_components = 2;
 
    plane_tex->texture_index = tex->texture_index;
-   plane_tex->texture = nir_deref_var_clone(tex->texture, plane_tex);
    plane_tex->sampler_index = tex->sampler_index;
-   plane_tex->sampler = nir_deref_var_clone(tex->sampler, plane_tex);
 
    nir_ssa_dest_init(&plane_tex->instr, &plane_tex->dest, 4, 32, NULL);
 
@@ -367,8 +363,6 @@ replace_gradient_with_lod(nir_builder *b, nir_ssa_def *lod, nir_tex_instr *tex)
    txl->is_shadow = tex->is_shadow;
    txl->is_new_style_shadow = tex->is_new_style_shadow;
    txl->sampler_index = tex->sampler_index;
-   txl->texture = nir_deref_var_clone(tex->texture, txl);
-   txl->sampler = nir_deref_var_clone(tex->sampler, txl);
    txl->coord_components = tex->coord_components;
 
    nir_ssa_dest_init(&txl->instr, &txl->dest, 4, 32, NULL);
@@ -888,6 +882,8 @@ nir_lower_tex(nir_shader *shader, const nir_lower_tex_options *options)
 {
    bool progress = false;
 
+   nir_assert_unlowered_derefs(shader, nir_lower_texture_derefs);
+
    nir_foreach_function(function, shader) {
       if (function->impl)
          progress |= nir_lower_tex_impl(function->impl, options);